How To Use Phlogiston In A Sentence
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It is as dead as phlogiston and the universal aether.
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Priestley interpreted them in terms of phlogiston — the hypothetical principle of flammability that was thought to give metals their luster and ductility and was widely used in the early eighteenth century to explain combustion, calcination, smelting, respiration, and other chemical processes.
Priestley, Joseph
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For example, sun-centered astronomy replaced earth-centered, oxygen superseded phlogiston, and absolute space gave way to curved space.
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The "subtle and phlogistic" parts of this oil (a phlogiston-rich substance to begin with) can escape only by crossing the painting; on their way out they attach to and so alter the color. reference As the volatile parts continue to evaporate, the small portions of colors that are not built up close enough to each other lose their tone because the colors underneath transpire.
The Creation of Color in Eighteenth-Century Europe
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Without that, theism has no more explanatory power than phlogiston or the luminiferous ether.
Attached to Strings
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Then a French pharmacist named Pierre Bayen pointed out to Lavoisier that calx of mercury, which we would now call mercuric oxide, can be converted to mercury simply by heating, without the need for phlogiston-rich charcoal.
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Each precipitate is more or less adherent, depending on how it combines with phlogiston and on the quantity of oil, present as an intermediate, available to join coloring particles to cloth. 25 His explanation for the use of this material again relies on a macroscopic analogy based on his practical experience.
The Creation of Color in Eighteenth-Century Europe
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Such expressions as "dephlogisticated" and "phlogisticated" would obviously have little meaning to a generation who were no longer to believe in the existence of phlogiston.
A History of Science: in Five Volumes. Volume IV: Modern Development of the Chemical and Biological Sciences
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According to the phlogiston theory, combustible materials contain a substance - phlogiston - that is emitted by the material as it burns.
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It was assumed that metals give out phlogiston during calcination.
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Prior to Lavoisier, the phlogiston theory was the standard theory of combustion.
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Either esoterics are in search of a novel way to flutter the dovecoats or the soul of selective adverbs have mutated into literary phlogiston.
The Volokh Conspiracy » “Arguably” Instead of Argument:
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Priestley found that the same kind of air was to be obtained by moistening with the spirit of nitre (which he terms nitrous acid) any kind of earth that is free from phlogiston, and applying heat; and consequently he says: "There remained no doubt on my mind but that the atmospherical air, or the thing that we breathe, consists of the nitrous acid and earth, with so much phlogiston as is necessary to its elasticity, and likewise so much more as is required to bring it from its state of perfect purity to the mean condition in which we find it.
Science & Education
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Instead, it is designated a failed scientific hypothesis, to be discarded alongside phlogiston and the luminiferous aether.
The Times Literary Supplement
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I mean, wouldn't it be dumb for a researcher to spend valuable time and funding seeking phlogiston when his governing theoretic needs no such 'stuff' to explain combustion and he doesn't believe it exists?
Behe's Test
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The attraction which the blood has for phlogiston cannot be so strong as that with which plants and insects attract it from the air, and then the blood cannot convert air into aerial acid; still it becomes converted into an air which lies midway between fire-air and aerial acid, that is, a vitiated air; for it unites neither with lime nor with water after the manner of fire-air and it extinguishes fire, after that of aerial acid.
Discovery of Oxygen, Part 2
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But it no more belongs in a biology class than alchemy belongs in a chemistry class, phlogiston in a physics class or the stork theory in a sex education class.
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Joseph Priestley, the great Unitarian humanist and discoverer of oxygen, was wedded to a bogus theory of the chemistry of gasses wherein they burned into “phlogiston,” which he called a “principle of inflammability.”
Flaws of Gravity
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In the phlogiston theory, phlogiston is released during combustion, and in the oxygen theory, oxygen is absorbed during combustion.
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Arguing thus, Priestley, of course, named the new aeriform substance _dephlogisticated air_, and thought of it as ordinary air deprived of some, or it might be all, of its phlogiston.
The Story of Alchemy and the Beginnings of Chemistry
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Hence it appeared that common air consists, to the extent of four-fifths of its volume, of air which is already "phlogisticated"; while the other fifth is free from phlogiston, or "dephlogisticated.
Science & Education
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The reason a metal formed when its calx was heated with charcoal was therefore because the phlogiston left the charcoal and united with the calx.
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The calx combines with a flux containing phlogiston-rich materials.
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Not to boast, but my PHLOGISTON theory includes a super-partner, SPHLOGISTON, whereby sparticles may combust in compactified dimensions.
Making Extra Dimensions Disappear
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Biologists used to believe in the inheritance of acquired characteristics, chemists in phlogiston, physicists in absolute (pre-relativity) time.
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Principle, which he named _Phlogiston_, and constructed an hypothesis which is generally known as the phlogistic theory.
The Story of Alchemy and the Beginnings of Chemistry
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The best examples of this are found in explorations of manufactured colors. reference Even without widespread acceptance of new theories in chemistry — assumptions about elements, or measurement, or phlogiston-based theories of coloration — the focus on colormaking as a chemical operation grew during the eighteenth century.
The Creation of Color in Eighteenth-Century Europe
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And combustion, as they understood it, happened when phlogiston, a hypothetical earthlike substance characterized mainly by its combustibility, was removed from an object.
